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      <a href="../../index.html">all files</a> / <a href="index.html">components/table-column/</a> dx-table-column.js
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        <span class="strong">6.9% </span>
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// 渲染table-cell方法
const renderMethods = {
	renderHeader: function(value) <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" >		return `${value}`</span>
	},
	renderCell: function({row, column}) <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" >		return `${row[column.prop]}`</span>
	}
}
// 列表编号
let tableColumnId = 0
export default{
	name: 'DxTableColumn',
	props: {
		rowKey: String, // 行的id---暂时没用到
		prop: String, // 行的性质
		renderHeader: Function, // 目前没用到
		width: {},
		label: String,
		reverse: {
			type: String,
			default: 'descending'
		},
		sortable: {
			tyep: Boolean,
			default: false
		},
		sortMethod: Function,
		selectable: Boolean,
		filterable: Boolean,
		filterValue: null
	},
	data() {
<span class="cstat-no" title="statement not covered" >		return {</span>
		}
	},
	computed: {
		// 找到table父元素
		parent() {
			let parent = <span class="cstat-no" title="statement not covered" >this.$parent</span>
<span class="cstat-no" title="statement not covered" >			while (parent &amp;&amp; !parent.tableId) {</span>
<span class="cstat-no" title="statement not covered" >				parent = parent.$parent</span>
			}
<span class="cstat-no" title="statement not covered" >			return parent</span>
		},
		columnId() {
<span class="cstat-no" title="statement not covered" >			return 'tableColumnId-' + tableColumnId++</span>
		}
&nbsp;
	},
	created() {
		// 如果设置width,则转化为数值
		let width = <span class="cstat-no" title="statement not covered" >this.width</span>
<span class="cstat-no" title="statement not covered" >		if (width) {</span>
<span class="cstat-no" title="statement not covered" >			width = parseInt(width, 10)</span>
<span class="cstat-no" title="statement not covered" >			if (isNaN(width)) {</span>
<span class="cstat-no" title="statement not covered" >				width = null</span>
			}
		}
		// 在这里可以重置render函数
		// this.customRender = this.$options.render
<span class="cstat-no" title="statement not covered" >		this.$options.render = h =&gt; <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >h('div', this.$slots.default)</span></span></span>
<span class="cstat-no" title="statement not covered" >		this.columnConfig = {</span>
			id: this.columnId,
			renderCell: null,
			renderHeader: null,
			prop: this.prop,
			rowKey: this.rowKey,
			width,
			label: this.label,
			sortable: this.sortable,
			reverse: this.reverse,
			sortMethod: this.sortMethod,
			selectable: this.selectable,
			filterable: this.filterable,
			filterValue: this.filterValue
		}
		// 初始化列的渲染函数---注意forEach中的this
<span class="cstat-no" title="statement not covered" >		Object.keys(renderMethods).forEach(function(key) <span class="fstat-no" title="function not covered" >{</span></span>
<span class="cstat-no" title="statement not covered" >			if (renderMethods.hasOwnProperty(key) &amp;&amp; this.columnConfig.hasOwnProperty(key)) {</span>
<span class="cstat-no" title="statement not covered" >				this.columnConfig[key] = renderMethods[key]</span>
			}
		}, this)
		// 渲染
		const defaultRenderCell = <span class="cstat-no" title="statement not covered" >this.columnConfig.renderCell</span>
<span class="cstat-no" title="statement not covered" >		this.columnConfig.renderCell = (data) =&gt; <span class="fstat-no" title="function not covered" >{</span></span>
<span class="cstat-no" title="statement not covered" >			if (this.$scopedSlots.default) {</span>
<span class="cstat-no" title="statement not covered" >				return this.$scopedSlots.default(data)</span>
			} else {
<span class="cstat-no" title="statement not covered" >				return defaultRenderCell(data)</span>
			}
		}
	},
	mounted() {
		// 向父组件发送一个commit
<span class="cstat-no" title="statement not covered" >		if (this.parent) {</span>
<span class="cstat-no" title="statement not covered" >			this.parent.store.commit('addColumn', this.columnConfig)</span>
		} else {
<span class="cstat-no" title="statement not covered" >			throw new Error('The parent must be dx-table component!')</span>
		}
	}
&nbsp;
}
&nbsp;</pre></td></tr>
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